# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
#
from datetime import datetime
-from celery.task import task
-import catalogue.models
from traceback import print_exc
+from celery.task import task
+from django.conf import settings
-@task
+
+# TODO: move to model?
def touch_tag(tag):
update_dict = {
'book_count': tag.get_count(),
type(tag).objects.filter(pk=tag.pk).update(**update_dict)
+@task(ignore_result=True)
+def fix_tree_tags(book):
+ book.fix_tree_tags()
+
+
@task
-def index_book(book_id, book_info=None):
+def index_book(book_id, book_info=None, **kwargs):
+ from catalogue.models import Book
try:
- return catalogue.models.Book.objects.get(id=book_id).search_index(book_info)
+ return Book.objects.get(id=book_id).search_index(book_info, **kwargs)
except Exception, e:
print "Exception during index: %s" % e
print_exc()
raise e
+
+
+def _build_ebook(book_id, ext, transform):
+ """Generic ebook builder."""
+ from django.core.files import File
+ from catalogue.models import Book
+
+ book = Book.objects.get(pk=book_id)
+ out = transform(book.wldocument())
+ field_name = '%s_file' % ext
+ # Update instead of saving the model to avoid race condition.
+ getattr(book, field_name).save('%s.%s' % (book.slug, ext),
+ File(open(out.get_filename())),
+ save=False
+ )
+ Book.objects.filter(pk=book_id).update(**{
+ field_name: getattr(book, field_name)
+ })
+
+
+@task(ignore_result=True)
+def build_txt(book_id):
+ """(Re)builds the TXT file for a book."""
+ _build_ebook(book_id, 'txt', lambda doc: doc.as_text())
+
+
+@task(ignore_result=True, rate_limit=settings.CATALOGUE_PDF_RATE_LIMIT)
+def build_pdf(book_id):
+ """(Re)builds the pdf file for a book."""
+ from catalogue.models import Book
+ from catalogue.utils import remove_zip
+ from waiter.utils import clear_cache
+
+ _build_ebook(book_id, 'pdf',
+ lambda doc: doc.as_pdf(morefloats=settings.LIBRARIAN_PDF_MOREFLOATS))
+ # Remove cached downloadables
+ remove_zip(settings.ALL_PDF_ZIP)
+ book = Book.objects.get(pk=book_id)
+ clear_cache(book.slug)
+
+
+@task(ignore_result=True, rate_limit=settings.CATALOGUE_EPUB_RATE_LIMIT)
+def build_epub(book_id):
+ """(Re)builds the EPUB file for a book."""
+ from catalogue.utils import remove_zip
+
+ _build_ebook(book_id, 'epub', lambda doc: doc.as_epub())
+ # remove zip with all epub files
+ remove_zip(settings.ALL_EPUB_ZIP)
+
+
+@task(ignore_result=True, rate_limit=settings.CATALOGUE_MOBI_RATE_LIMIT)
+def build_mobi(book_id):
+ """(Re)builds the MOBI file for a book."""
+ from catalogue.utils import remove_zip
+
+ _build_ebook(book_id, 'mobi', lambda doc: doc.as_mobi())
+ # remove zip with all mobi files
+ remove_zip(settings.ALL_MOBI_ZIP)
+
+
+@task(ignore_result=True, rate_limit=settings.CATALOGUE_FB2_RATE_LIMIT)
+def build_fb2(book_id, *args, **kwargs):
+ """(Re)builds the FB2 file for a book."""
+ from catalogue.utils import remove_zip
+
+ _build_ebook(book_id, 'fb2', lambda doc: doc.as_fb2())
+ # remove zip with all fb2 files
+ remove_zip(settings.ALL_FB2_ZIP)
+
+
+@task(rate_limit=settings.CATALOGUE_CUSTOMPDF_RATE_LIMIT)
+def build_custom_pdf(book_id, customizations, file_name):
+ """Builds a custom PDF file."""
+ from django.core.files import File
+ from django.core.files.storage import DefaultStorage
+ from catalogue.models import Book
+
+ print "will gen %s" % DefaultStorage().path(file_name)
+ if not DefaultStorage().exists(file_name):
+ pdf = Book.objects.get(pk=book_id).wldocument().as_pdf(
+ customizations=customizations,
+ morefloats=settings.LIBRARIAN_PDF_MOREFLOATS)
+ DefaultStorage().save(file_name, File(open(pdf.get_filename())))